* {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
            background-color: #f5f5f5;
            color: #333;
            font-size: 14px;
            padding-bottom: 60px;
        }
        a { text-decoration: none; color: inherit; }
        ul, li { list-style: none; }
        .responsive-container {
            max-width: 750px;
            margin: 0 auto;
            background: #fff;
            box-shadow: 0 0 10px rgba(0,0,0,0.1);
        }
        @media screen and (max-width: 768px) {
            .responsive-container {
                max-width: 100%;
                box-shadow: none;
                margin: 0;
            }
        }

        .header {
            background-color: #e63946;
            color: white;
            padding: 15px 10px;
            display: flex;
            justify-content: space-between;
            align-items: center;
         	position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
        }
        .header .back {
            font-size: 18px;
            font-weight: bold;
            cursor: pointer;
        }
        .header .title {
            font-size: 18px;
            font-weight: bold;
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
        }
        .header .more {
            font-size: 20px;
            cursor: pointer;
            padding: 8px;
            margin: -8px;
            position: relative;
            z-index: 101;
        }

        .nav-bar {
            position: absolute;
            top: 100%;
            right: 10px;
            background: #fff;
            border-radius: 4px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            width: 160px;
            display: none;
            z-index: 99;
            overflow: hidden;
        }
        .nav-bar.show { display: block; }

        .nav-item {
            padding: 12px 16px;
            color: #333; /* 确保文字为深色 */
            font-size: 14px;
            cursor: pointer;
            transition: all 0.2s;
            display: flex;
            align-items: center;
        }
        .nav-item i { margin-right: 8px; color: #e63946; width: 16px; text-align: center; }
        .nav-item:hover { background: #f5f5f5; padding-left: 20px; }
        
        .primary-nav {
            position: relative;
        }
        .nav-toggle {
            display: flex;
            align-items: center;
            background-color: #fff;
            border: 1px solid #ddd;
            padding: 12px 16px; /* 与其他导航项保持一致 */
            cursor: pointer;
            border-radius: 0; /* 与整体风格一致 */
            transition: all 0.3s ease;
            width: 100%;
            text-align: left;
            color: #333; /* 确保文字为深色 */
            font-size: 14px; /* 与其他导航项保持一致 */
        }

        .arrow {
            margin-left: auto;
            color: #999;
            font-size: 16px;
            transition: transform 0.3s ease;
        }
        .primary-nav.active .arrow {
            transform: rotate(90deg);
        }
        .nav-toggle:hover {
            background-color: #f5f5f5;
        }

        .secondary-nav {
            position: static; /* 改为静态定位，避免覆盖其他项 */
            background-color: #f8f9fa;
            width: 100%;
            box-shadow: inset 0 2px 5px rgba(0,0,0,0.05);
            border-top: 1px solid #eee;
            display: none;
            padding: 0;
            z-index: 100;
        }
        .primary-nav.active .secondary-nav {
            display: block;
        }
        .secondary-nav li {
            list-style: none;
            padding: 10px 16px 10px 32px; /* 增加缩进 */
            color: #333;
            font-size: 13px;
            cursor: pointer;
            transition: all 0.2s;
        }
        .secondary-nav li:hover {
            background-color: #f5f5f5;
            padding-left: 36px;
        }
        .notice {
            background-color: #fff8e1;
            color: #333;
            padding: 10px;
            border-bottom: 1px solid #eee;
            font-size: 16px;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .member-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #999;
            font-size: 12px;
            flex-wrap: wrap;
            gap: 8px;
        }
        .member-footer .views, .member-footer .date {
            display: flex;
            align-items: center;
        }
             .bottom-fixed {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            display: flex;
            border-top: 1px solid #eee;
            padding: 5px 0;
            z-index: 10;
        }
        .bottom-item {
            flex: 1;
            text-align: center;
            font-size: 12px;
            color: #666;
        }
        .bottom-item i {
            font-size: 18px;
            display: block;
            margin-bottom: 2px;
        }
        .bottom-item.active { color: #e63946; }
        .back-to-top {
            position: fixed;
            bottom: 80px;
            right: 15px;
            width: 40px;
            height: 40px;
            background-color: #e63946;
            color: white;
            border-radius: 50%;
            display: none;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 10px rgba(0,0,0,0.15);
            cursor: pointer;
            z-index: 99;
            transition: all 0.3s ease;
        }
        .back-to-top.show { display: flex; }
        .back-to-top:hover {
            transform: scale(1.1);
            background-color: #c1121f;
        }
        .copyright {
            text-align: center;
            font-size: 12px;
            color: #999;
            margin-top: 20px;
        }
        .tab-im {
            text-decoration: none;
        }
		.tab-icon i {
    font-size: 30px;
    color: inherit;
}

        .note-card {
            background: #fff9c4; /* 便签纸黄色 */
            width: 100%;
            max-width: 800px;
            margin: 0 auto 20px;
            padding: 25px;
            border-radius: 4px;
            position: relative;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1), 
                        0 4px 8px rgba(0,0,0,0.08), 
                        inset 0 0 20px rgba(255,220,150,0.3);
            border-left: 8px solid #ffd54f;
        }
        .note-card::before {
            content: "";
            position: absolute;
            top: -5px; right: 20px;
            width: 40px; height: 10px;
            background: #e0d5a8;
            border-radius: 0 0 5px 5px;
            box-shadow: 0 2px 3px rgba(0,0,0,0.1);
        }
        
        .item-header {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px dashed #d4c68a;
        }
        .item-icon {
            width: 40px; height: 40px;
            background: #ffb300;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            margin-right: 15px;
            box-shadow: 0 2px 3px rgba(0,0,0,0.2);
        }
        .item-title {
            font-size: 1.4rem;
            color: #5d4037;
            font-weight: bold;
            letter-spacing: 0.5px;
        }
        .item-date {
            margin-left: auto;
            color: #8d6e63;
            font-style: italic;
            font-size: 0.9rem;
        }
        
        .item-content {
            color: #4e342e;
            line-height: 1.7;
            margin-bottom: 15px;
        }
        .item-footer {
            display: flex;
            justify-content: flex-end;
            gap: 10px;
        }
        .btn {
            padding: 8px 16px;
            border: none;
            border-radius: 3px;
            cursor: pointer;
            font-weight: bold;
            box-shadow: 0 2px 3px rgba(0,0,0,0.2);
            transition: all 0.2s;
        }
        .btn-primary {
            background: linear-gradient(to bottom, #81c784, #4caf50);
            color: white;
        }
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 6px rgba(0,0,0,0.2);
        }
.pnt {
    position: absolute; 
    left: 0;
	 margin-left: 20px; 
}
 .noce {
 background-color: #fff8e1;
            color: #333;
            padding: 10px;
            border-bottom: 1px solid #eee;
            font-size: 16px;
        }
        .section-title {
            font-weight: bold;
            margin-bottom: 10px;
            border-left: 4px solid #e63946;
            padding-left: 8px;
        }